MS Outlook stores all the Outlook data items in a single binary PST file i.e., Outlook.pst. Outlook data is not stored in PST file who work with Exchange server. You can even maintain more than one PST file for Outlook. Outlook use only one PST file among all the PST files to store account settings, messages and other items. The default location of the PST file cannot be changed. Other PST files are used for special purpose like archiving old data items. Even if single data item gets corrupt inside the PST file, the whole PST file becomes inaccessible and data stored in it cannot be viewed anymore. Therefore, necessary precautions should be taken to avoid corruption of PST file. The first thing to be taken under consideration is maintaining backup for your Outlook profiles that helps to restore back Outlook items in case of corruption or damage of PST file . Backup of the PST file should not contain only copy of the personal folders file. In addition to this, necessary elements like preferences, options, categories, customizable alerts etc are also taken backup along with PST file that provide customization of Outlook. MS Outlook settings and customization are conserved with the backup of the above mentioned registry keys, which make Outlook to perform better. With the availability of these additional backup files, Outlook works normally the way you want. Backup your Outlook items either manually or by making use of a tool. You can also backup Outlook data instantly in few minutes, using a third party utility. However, if you do backup manually, you have to proceed with long procedure for each PST file. Separate backup files are created individually with each PST file. Many tools provide backup option that allows you to create or associate unlimited number of Outlook profiles.
If you are using Outlook in business setting, Outlook data is by default stored in Microsoft Exchange mailbox, which is located on Exchange server. Generally, Exchange maintains copies of messages and other items on the server where you can keep a copy of the items on your system by configuring Outlook. Thereby you can work with Outlook data items even when the Exchange server connection is not available and thus it is called Offline Folders File (Outlook.ost).Either PST file or OST file is used for Outlook data storage. PST files are stored on hard disk and can be opened by one person at a time. These files are not shared with different Outlook users simultaneously where as Exchange mailbox can be shared and opened by more than one person at a time.
Remo Outlook Backup and Migrate helps to backup your entire Outlook profile including other Outlook attributes. This software backup and restore Outlook emails along with all other attributes like contacts, email folders, tasks, calendars, journal entries, settings, junk email accounts, signatures, rules etc. This tool provides simple one click backup option to save Outlook emails and settings. This utility provides security to your backup archives by providing a password to them. When you download demo version, you can view backup process